Test Yourself: Measurements And Instrumentation Quiz

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Test Yourself: Measurements And Instrumentation Quiz - Quiz

Welcome to our Measurements and Instrumentation Quiz, where you can dive into the fascinating world of measurement techniques and instrumentation! From voltage and current measurements to sensor technologies and signal processing, this quiz covers a wide range of topics essential to understanding how we quantify and analyze physical phenomena. In this quiz, you'll encounter questions that challenge your knowledge of various measurement principles and instrumentation methods. Test your understanding of concepts such as accuracy, precision, and sensitivity, and learn how to select the right instrument for different measurement tasks. Explore the intricacies of calibration procedures and discover how to ensure Read morethe reliability and accuracy of measurement systems.
Delve into the world of sensors and transducers, and learn how these devices convert physical quantities into electrical signals for measurement and analysis. From thermocouples and strain gauges to accelerometers and pressure sensors, you'll gain insight into the diverse range of sensors used in engineering, science, and industry. Discover the importance of signal processing techniques in extracting meaningful information from measurement data. Explore topics such as filtering, amplification, and digitization, and learn how these techniques enhance the accuracy and reliability of measurement systems.


Measurements And Instrumentation Questions and Answers

  • 1. 

    The uses of a sensor are

    • A.

      Acquire information

    • B.

      Transmit information

    • C.

      Use in Automation system

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    A sensor is a device that is used to acquire information from its surroundings, such as temperature, pressure, or motion. It then transmits this information to a central system or controller. Sensors are commonly used in automation systems to monitor and control various processes. Therefore, all of the given options are correct as they accurately describe the uses of a sensor.

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  • 2. 

    The picture shows an application of 

    • A.

      Sensor

    • B.

      Transducer

    • C.

      Resistor

    • D.

      Ammeter

    Correct Answer
    A. Sensor
    Explanation
    The picture shows an application of a sensor. A sensor is a device that detects and responds to a physical stimulus, such as light, heat, pressure, or motion, and converts it into a measurable signal. In the given picture, it is likely that the device shown is being used to sense and measure a specific physical parameter, such as temperature, humidity, or proximity. The sensor would gather data about the parameter and provide an output signal that can be further processed or displayed.

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  • 3. 

    The picture shown is a 

    • A.

      Inductive Proximity sensor

    • B.

      Capacitive sensor

    • C.

      Ultrasonic sensor

    • D.

      Non of the above

    Correct Answer
    C. Ultrasonic sensor
    Explanation
    The picture shown is an ultrasonic sensor. Ultrasonic sensors use sound waves with frequencies higher than the human audible range to detect objects and measure distances. They emit ultrasonic waves and then measure the time it takes for the waves to bounce back after hitting an object. This information is used to determine the distance to the object. Ultrasonic sensors are commonly used in various applications such as robotics, distance measurement, and object detection.

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  • 4. 

    The two type of sensors are 

    • A.

      Asymmetric and Symmetric

    • B.

      Equal and Unequal

    • C.

      Binary and Analog

    • D.

      All of the above

    Correct Answer
    C. Binary and Analog
    Explanation
    The correct answer is "Binary and Analog". Binary sensors provide outputs in the form of discrete values, typically 0 or 1, indicating the presence or absence of a certain condition. Analog sensors, on the other hand, provide outputs in a continuous range, allowing for more precise measurements. Both types of sensors are commonly used in various applications depending on the specific requirements of the system.

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  • 5. 

    What is not an advantage of proximity sensor?

    • A.

      Precise

    • B.

      Fast

    • C.

      Contactless

    • D.

      High power device

    Correct Answer
    D. High power device
    Explanation
    The given answer, "High power device," is not an advantage of a proximity sensor because proximity sensors are designed to detect the presence or absence of an object without the need for direct contact. They work by emitting and detecting electromagnetic fields or beams, and they do not require a high power source to function effectively. In fact, proximity sensors are often designed to be energy-efficient and consume minimal power, making them suitable for a wide range of applications.

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  • 6. 

    The sensor used only to detect metal is _____________.

    • A.

      Ultrasonic sensor

    • B.

      Capacitive sensor

    • C.

      Inductive proximity sensor

    • D.

      Pure sensor

    Correct Answer
    C. Inductive proximity sensor
    Explanation
    The correct answer is the inductive proximity sensor. This type of sensor is specifically designed to detect metal objects. It works by generating an electromagnetic field and detecting changes in that field caused by the presence of metal. This makes it an ideal choice for applications where metal detection is required, such as in industrial settings for detecting the presence of metal parts or objects.

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  • 7. 

    The proximity sensor that is used for both metal and non metals only is _______________.

    • A.

      Inductive sensor

    • B.

      Capacitive sensor

    • C.

      Resistive sensor

    • D.

      Volt sensor

    Correct Answer
    B. Capacitive sensor
    Explanation
    A capacitive sensor can be used to detect both metal and non-metals due to its ability to measure changes in capacitance. When an object comes close to the sensor, it alters the capacitance of the sensor, which can be detected and used to determine the presence or absence of the object. This makes capacitive sensors versatile and suitable for applications where both metal and non-metal objects need to be detected.

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  • 8. 

    The sensor used for solid, liquid, granular and powder is _________________.

    • A.

      Ultrasonic sensor

    • B.

      Inductive sensor

    • C.

      Capacitive sensor

    • D.

      All of the above

    Correct Answer
    A. Ultrasonic sensor
    Explanation
    The correct answer is ultrasonic sensor because it is capable of detecting solid, liquid, granular, and powder substances. Ultrasonic sensors use sound waves to measure the distance or presence of objects, making them suitable for a wide range of applications. They emit high-frequency sound waves and measure the time it takes for the waves to bounce back after hitting an object. This technology allows them to accurately detect various materials, making them a versatile choice for different industries.

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  • 9. 

    The picture shows an application of 

    • A.

      Ultrasonic 

    • B.

      Capacitive

    • C.

      Inductive

    • D.

      Resistive

    Correct Answer
    A. Ultrasonic 
    Explanation
    The picture is showing a device emitting sound waves and receiving the reflected waves. This is a characteristic application of ultrasonic technology, which uses high-frequency sound waves to detect objects or measure distances. Capacitive, inductive, and resistive technologies are not typically used for this purpose.

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  • 10. 

    The sensor used for the application 

    • A.

      Ultrasonic

    • B.

      Inductive

    • C.

      Capacitive

    • D.

      Resistive

    Correct Answer
    A. Ultrasonic
    Explanation
    The correct answer is Ultrasonic because ultrasonic sensors are commonly used for applications that require distance measurement or object detection. They use sound waves with frequencies higher than the human audible range to detect objects and measure distances. Ultrasonic sensors are often used in robotics, automation, and security systems due to their accuracy, reliability, and ability to work in various environmental conditions.

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  • 11. 

    The sensor used to count the number of pins are 

    • A.

      Ultrasonic

    • B.

      Inductive

    • C.

      Resistive

    • D.

      Volt

    Correct Answer
    B. Inductive
    Explanation
    The correct answer is inductive. An inductive sensor is commonly used to count the number of pins. Inductive sensors work based on the principle of electromagnetic induction. They generate a magnetic field that induces a current in a nearby conductive target, such as a metal pin. By detecting the changes in the induced current, the sensor can accurately count the number of pins passing through its detection range.

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  • 12. 

    The picture that is shown is a - 

    • A.

      Counter

    • B.

      Voltmeter

    • C.

      Ammeter

    • D.

      Ohmmeter

    Correct Answer
    A. Counter
    Explanation
    Based on the given options, the picture appears to be a counter. A counter is a device used to count or keep track of something, such as the number of events or occurrences. It typically has a display that shows the count or measurement. The other options, voltmeter, ammeter, and ohmmeter, are types of measuring devices used to measure voltage, current, and resistance respectively, but they do not match the appearance of the picture. Therefore, the correct answer is counter.

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  • 13. 

    The label 4 in the picture is known as

    • A.

      Clock

    • B.

      Display

    • C.

      Input pin

    • D.

      Output pin

    Correct Answer
    B. Display
    Explanation
    The label 4 in the picture is known as a display. A display is a device that shows information or data. It is commonly used to present numbers, letters, or symbols in a visual format. In this context, label 4 is likely referring to a display that is used to show some sort of output or information.

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  • 14. 

    The sensor labeled as 1 (one) in the picture is- 

    • A.

      Inductive

    • B.

      Capacitive

    • C.

      Ultrasonic

    • D.

      Resistive

    Correct Answer
    C. Ultrasonic
    Explanation
    The correct answer is ultrasonic because the sensor in the picture is likely to be an ultrasonic sensor based on its appearance and characteristics. Ultrasonic sensors use sound waves to detect objects and measure distance. They emit high-frequency sound waves and then measure the time it takes for the sound waves to bounce back after hitting an object. This technology is commonly used in applications such as distance measurement, object detection, and obstacle avoidance.

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  • 15. 

    Which of the following is an example of a piezoelectric sensor?

    • A.

      Thermocouple 

    • B.

      Strain gauge 

    • C.

      Accelerometer 

    • D.

      Photodetector

    Correct Answer
    C. Accelerometer 
    Explanation
    A piezoelectric sensor converts mechanical stress or pressure into electrical charge, and accelerometers are a common application of this principle. These sensors are widely used in various industries, including automotive, aerospace, and consumer electronics, to measure acceleration forces exerted on objects. When subjected to acceleration, a piezoelectric material within the accelerometer generates a voltage proportional to the applied force, allowing for precise measurement of acceleration in multiple axes. This makes accelerometers essential components in devices such as smartphones, navigation systems, and vibration monitoring systems.

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  • Current Version
  • May 03, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 13, 2012
    Quiz Created by
    Prajesh
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